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#1
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Pieps avalance beacons
Hey, has anyone heard of these Checker things this guy is talking about at the end of the article I found here on the Pieps Dsp Curious to know your opinion on them, if they work well or not with other beacons like the Pieps 457 or the SOS F1-ND
Last edited by jakemosterio : November 11th 10 at 10:40 PM. |
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#2
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Pieps avalance beacons
On Thu, 11 Nov 2010 23:38:01 +0000, jakemosterio
wrote: Hey, has anyone heard of these Checker things this guy is talking about at the end of the article I found here on the ' Pieps Dsp ' (http://www.piepsdsp.com) Curious to know your opinion on them, if they work well or not with other beacons like the Pieps 457 or the SOS F1-ND Only very briefly tried the DSP, and it seemed simple enough, but we've plumped instead for the Barryvox Pulse, a couple of years ago. As for compatibility, all beacons (for the last 20-odd years, at least) use the 457MHz frequency, so there should be no issues whatsoever with searching for older models or vice versa. As for the checker - well, unless you're skiing on your own, your buddy should check you anyway, so I don't see the point. Then again, I don't often ski on my own, and if I do I'll generally check mine against a spare before I leave the house, so I guess if you don't have a spare and you ski backcountry solo then it's not a bad idea. |
#3
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Pieps avalance beacons
On Fri, 12 Nov 2010 22:00:55 +0100, Ace
wrote: Hey, has anyone heard of these Checker things this guy is talking about at the end of the article I found here on the ' Pieps Dsp ' (http://www.piepsdsp.com) Curious to know your opinion on them, if they work well or not with other beacons like the Pieps 457 or the SOS F1-ND Only very briefly tried the DSP, and it seemed simple enough, but we've plumped instead for the Barryvox Pulse, a couple of years ago. As for compatibility, all beacons (for the last 20-odd years, at least) use the 457MHz frequency, so there should be no issues whatsoever with searching for older models or vice versa. As for the checker - well, unless you're skiing on your own, your buddy should check you anyway, so I don't see the point. Then again, I don't often ski on my own, and if I do I'll generally check mine against a spare before I leave the house, so I guess if you don't have a spare and you ski backcountry solo then it's not a bad idea. Surely, if you ski backcountry by yourself, then a transciever isn't going to do you a lot of good unless someone else happens to be around when you get avalanched. We all know the way the survival curve drops off dramatically with time. -- Champ neal at champ dot org dot uk |
#4
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Pieps avalance beacons
On Sat, 13 Nov 2010 09:34:36 +0000, Champ wrote:
On Fri, 12 Nov 2010 22:00:55 +0100, Ace wrote: Hey, has anyone heard of these Checker things this guy is talking about at the end of the article I found here on the ' Pieps Dsp ' (http://www.piepsdsp.com) Curious to know your opinion on them, if they work well or not with other beacons like the Pieps 457 or the SOS F1-ND Only very briefly tried the DSP, and it seemed simple enough, but we've plumped instead for the Barryvox Pulse, a couple of years ago. As for compatibility, all beacons (for the last 20-odd years, at least) use the 457MHz frequency, so there should be no issues whatsoever with searching for older models or vice versa. As for the checker - well, unless you're skiing on your own, your buddy should check you anyway, so I don't see the point. Then again, I don't often ski on my own, and if I do I'll generally check mine against a spare before I leave the house, so I guess if you don't have a spare and you ski backcountry solo then it's not a bad idea. Surely, if you ski backcountry by yourself, then a transciever isn't going to do you a lot of good unless someone else happens to be around when you get avalanched. We all know the way the survival curve drops off dramatically with time. Sure. But depending on just how 'back' the backcountry is, you may be in view of other people and/or lifts. For example, thinking about the sorts of stuff we do in Engelberg, a large proportion of it is well enough populated that there's be a good chance of being spotted if you were caught in an avalanche. |
#5
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Pieps avalance beacons
Champ wrote:
Surely, if you ski backcountry by yourself, then a transciever isn't going to do you a lot of good unless someone else happens to be around when you get avalanched. We all know the way the survival curve drops off dramatically with time. So, your choice: a teensy wee chance, or none at all... Pete. -- Peter Clinch Medical Physics IT Officer Tel 44 1382 660111 ext. 33637 Univ. of Dundee, Ninewells Hospital Fax 44 1382 640177 Dundee DD1 9SY Scotland UK net http://www.dundee.ac.uk/~pjclinch/ |
#6
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Pieps avalance beacons
Peter Clinch writes:
Champ wrote: Surely, if you ski backcountry by yourself, then a transciever isn't going to do you a lot of good unless someone else happens to be around when you get avalanched. We all know the way the survival curve drops off dramatically with time. So, your choice: a teensy wee chance, or none at all... Worst case: they find your body now, instead of waiting for spring. -- Jim Janney |
#7
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Pieps avalance beacons
On 11/12/2010 22:00, Ace wrote:
On Thu, 11 Nov 2010 23:38:01 +0000, jakemosterio As for compatibility, all beacons (for the last 20-odd years, at least) use the 457MHz frequency, so there should be no issues whatsoever with searching for older models or vice versa. Just a small correction, the frequency that is widely used is 457 kHz not MHz. This is important for the units to work actually as with this low frequency you are actually probing the near field of the dipolar transmitter antenna. The most advanced search strategies and also the fancy new 2 or 3 antenna devices rely on that fact. There are new developments for beacons that also take advantage of the multiples antennas present in transmit mode as they can basically detect the orientation of the device by means of a gravitational sensor and switch to an antenna that allows for effective searching (a dipolar antenna pointing perpendicular to the surface leads to the worst coupling and should be avoided.) Bernd |
#8
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Pieps avalance beacons
On Tue, 16 Nov 2010 18:22:43 +0100, Bernd Nebendahl
wrote: On 11/12/2010 22:00, Ace wrote: On Thu, 11 Nov 2010 23:38:01 +0000, jakemosterio As for compatibility, all beacons (for the last 20-odd years, at least) use the 457MHz frequency, so there should be no issues whatsoever with searching for older models or vice versa. Just a small correction, the frequency that is widely used is 457 kHz not MHz. I just _knew_ I'd get it wrong. Could have spent the extra 30 seconds to google it, but CBA. |
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